Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.40
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -8.27 -0.375 3.10
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index 6.02
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.47 1.117 1.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.04
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 12.01

* Based on an €80/tonne carbon price